tmem: typo causes incorrect return on out-of-memory

This classic typo in tmem would result in a false positive
report on a tmem "put" operation if a (unfragmented) page
of memory is completely unavailable.

Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>

diff --git a/xen/common/tmem.c b/xen/common/tmem.c
index c2f6c74f1fda847e01b53633155bf78dfbc536b9..42f4569dbc6cbf5dcb59feea3e0b847b963446c3 100644 (file)
--- a/xen/common/tmem.c
+++ b/xen/common/tmem.c
@@ -1308,7 +1308,7 @@ static NOINLINE int do_tmem_put(pool_t *pool,
 copy_uncompressed:
     if ( ( pgp->pfp = tmem_page_alloc(pool) ) == NULL )
     {
-        ret == -ENOMEM;
+        ret = -ENOMEM;
         goto delete_and_free;
     }
     /* tmh_copy_from_client properly handles len==0 (TMEM_NEW_PAGE) */